Radiation:
Ultraviolet (UV) light has a wavelength corresponding to which of the following:

400 nm – 750 nm100 nm – 400 nm760 nm – 3000 nm0.1 nm – 100 nm

Epidemiology:
An incidence rate is defined as:

The number of existing cases per worker population at a specific time.The number of new cases per worker population over a period of time.The prevalence rate of disease in an exposed population versus an unexposed population.The prevalence rate of disease in an exposed population minus an unexposed population.

IH Management:
In the 1978 case Marshall v. Barlow, the Supreme Court stated that _____ was typically required for OSHA to enter a workplace and conduct an inspection.

A warrantProbable causeAn injuryPermission from the union

General Sciences:
Convert 77˚F to ˚C.

20 ˚C25 ˚C30 ˚C37 ˚C

Noise:
Presbycusis is defined as:

Hearing loss due to occupational noise exposure.Hearing loss due to chemical exposure.Hearing loss due to significant levels of pressure.Hearing loss due to aging.